Boat.
Okay. Find a three petalled flower with a slanted stem.
Wrong. The correct shape could also be described as a W on a stand.
Wrong. Mermaid.
Okay. Deselect the choice you made when I said W on a stand.
Deselect the choice you made when I said three petalled flower with a slanted stem.
Find a person with a fish tail.

Outcome: successful
Speaker comments: Failure to deselect wrong choices automatically when told they're wrong.